---
title: SKAdTestError.Code.invalidWinningPostbackCount
framework: storekittest
role: symbol
role_heading: Case
path: storekittest/skadtesterror/code/invalidwinningpostbackcount
---

# SKAdTestError.Code.invalidWinningPostbackCount

The number of winning postbacks isn’t valid, in the testing environment.

## Declaration

```swift
case invalidWinningPostbackCount
```

## Discussion

Discussion A valid session has one or three winning postbacks.

## See Also

### Postback Errors

- [SKAdTestError.Code.excessivePostbacks](storekittest/skadtesterror/code/excessivepostbacks.md)
- [SKAdTestError.Code.invalidConversionValue](storekittest/skadtesterror/code/invalidconversionvalue.md)
- [SKAdTestError.Code.invalidPostbackURL](storekittest/skadtesterror/code/invalidpostbackurl.md)
- [SKAdTestError.Code.invalidRunnerUpPostback](storekittest/skadtesterror/code/invalidrunneruppostback.md)
- [SKAdTestError.Code.malformedPostbacks](storekittest/skadtesterror/code/malformedpostbacks.md)
- [SKAdTestError.Code.missingPostbacks](storekittest/skadtesterror/code/missingpostbacks.md)
- [SKAdTestError.Code.misplacedWinnerPostback](storekittest/skadtesterror/code/misplacedwinnerpostback.md)
- [SKAdTestError.Code.missingWinningPostback](storekittest/skadtesterror/code/missingwinningpostback.md)
- [SKAdTestError.Code.noPendingPostbacks](storekittest/skadtesterror/code/nopendingpostbacks.md)
- [SKAdTestError.Code.unlinkedWinningPostbacks](storekittest/skadtesterror/code/unlinkedwinningpostbacks.md)
- [SKAdTestError.Code.excessivePostbacks](storekittest/skadtesterror/code/excessivepostbacks.md)
- [SKAdTestError.Code.invalidConversionValue](storekittest/skadtesterror/code/invalidconversionvalue.md)
- [SKAdTestError.Code.invalidPostbackURL](storekittest/skadtesterror/code/invalidpostbackurl.md)
- [SKAdTestError.Code.invalidRunnerUpPostback](storekittest/skadtesterror/code/invalidrunneruppostback.md)
- [SKAdTestError.Code.malformedPostbacks](storekittest/skadtesterror/code/malformedpostbacks.md)